Alright, let's work through 2015 times 7663 step by step
2015 × 7663 = 7663 × (2015)
+ 7663 × 5 producing 38315
+ 7663 × 10 producing 76630
+ 7663 × 000 producing 0
+ 7663 × 2000 that is equal 15326000

= 15440945
